So I am a little lost, despite scouring the rulebook, I haven't found any good rules for blood loss, i know that critical damage sometimes mentions it in passing, but i think thats rather unrealistic.. but I am at loss to find anything better,

any good ways to use blood loss in a campaign, right now for me it only happens when a critical damage directly says, but what about at the negative 10's when a player uses a fate point?? despite numerous badly wounded players they haven't had to deal with blood loss...

Darkmittens said:

Given the game's mechanics blood loss typically only makes since if you suffer critical damage. Could a GM have a character suffer from blood loss due to a non-combat related injury? Yes. Surgery or torture would be the most likely culprits I imagine.

As for forcing a player who already burned a fate point to survive into passing a blood loss check or die that seems rather cruel. Regardless of the actual chance of failure, it exists and seems pretty unfair.

oops, i rechecked the rulebook, i just missed that section, thanks for your help...that actually makes sense now, thanks for the help.

I don't have a lot of experience with Dark Heresy but using blood loss as a story device instead of primarily a mechanic can be fun. In a prior game of Shadowrun the runners crashed a vehicle pretty bad. The damage was gonna be pretty horrific and a lot of the runners were gonna die. I created the encounter and didn't really compensate for this so instead I ruled that some of them had been punctured bad and would need to see a doctor within a hour or die from blood loss. This really quickened the pace of the adventure and added some good drama.